Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
020082moderately pollutedgood181excellent
010082moderately pollutedgood191excellent
000080moderately pollutedgood181excellent
230080moderately pollutedgood181excellent
220073moderately pollutedgood181excellent
210074moderately pollutedgood171excellent
200066moderately pollutedgood161excellent
190074moderately pollutedgood141excellent
180069moderately pollutedgood141excellent
170069moderately pollutedgood141excellent
160059lightly pollutedgood131excellent
150065moderately pollutedgood141excellent
140068moderately pollutedgood141excellent
130059lightly pollutedgood141excellent
120049lightly pollutedgood131excellent
110055lightly pollutedexcellent121excellent
100050lightly pollutedexcellent121excellent
090045lightly pollutedexcellent111excellent
080048lightly pollutedexcellent101excellent
070070moderately pollutedexcellent91excellent
060050lightly pollutedexcellent101excellent
050043lightly pollutedexcellent101excellent
040051lightly pollutedexcellent101excellent
030047lightly pollutedexcellent101excellent